A box is filled with green marbles, red marbles, and blue marbles. The ratio of red marbles to green marbles is 3:1. The ratio of green marbles to all of the marbles in the box is 2:11. Write each of the following ratios using the symbol. The ratio of red marbles to blue marbles.

Red:green = 3:1, not 3:2

r:g = 3:1, so g:r = 1:3 = 2:6

r:t = 2:11 = 6:33

g:r:t = 2:6:33

now just read off the ratios.

r:t = 6:33 = 2/11

b:t = 1 - (g:t - r:t) = 25/33

b:g = 25/2

r:b = 6/25

Step-by-step explanation:

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d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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the answer is 24

step-by-step explanation: